Footnote is too big

I was able to make a footnote, but it’s ENORMOUS!

I want it to be 9 pt. at the bottom of the page where the footnote is referenced.

Right now on the pdf I get two of the same footnote. The one at the bottom of the page I referenced is huge. The one at the end of the chapter is the correct font size.

How do I make the one on the bottom of the page smaller, and how do I get rid of the one at the end of the chapter on the pdf?